/*      $NetBSD: strmode.c,v 1.5 2004/08/23 03:32:12 jlam Exp $ */

/*-
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/stat.h>

#include <assert.h>
#include <unistd.h>

void
strmode(mode, p)
        mode_t mode;
        char *p;
{

        assert(p != NULL);

         /* print type */
        switch (mode & S_IFMT) {
        case S_IFDIR:                   /* directory */
                *p++ = 'd';
                break;
        case S_IFCHR:                   /* character special */
                *p++ = 'c';
                break;
        case S_IFBLK:                   /* block special */
                *p++ = 'b';
                break;
        case S_IFREG:                   /* regular */
#ifdef S_ARCH2
                if ((mode & S_ARCH2) != 0) {
                        *p++ = 'A';
                } else if ((mode & S_ARCH1) != 0) {
                        *p++ = 'a';
                } else {
#endif
                        *p++ = '-';
#ifdef S_ARCH2
                }
#endif
                break;
        case S_IFLNK:                   /* symbolic link */
                *p++ = 'l';
                break;
#ifdef S_IFSOCK
        case S_IFSOCK:                  /* socket */
                *p++ = 's';
                break;
#endif
#ifdef S_IFIFO
        case S_IFIFO:                   /* fifo */
                *p++ = 'p';
                break;
#endif
#ifdef S_IFWHT
        case S_IFWHT:                   /* whiteout */
                *p++ = 'w';
                break;
#endif
#ifdef S_IFDOOR
        case S_IFDOOR:                  /* door */
                *p++ = 'D';
                break;
#endif
        default:                        /* unknown */
                *p++ = '?';
                break;
        }
        /* usr */
        if (mode & S_IRUSR)
                *p++ = 'r';
        else
                *p++ = '-';
        if (mode & S_IWUSR)
                *p++ = 'w';
        else
                *p++ = '-';
        switch (mode & (S_IXUSR | S_ISUID)) {
        case 0:
                *p++ = '-';
                break;
        case S_IXUSR:
                *p++ = 'x';
                break;
        case S_ISUID:
                *p++ = 'S';
                break;
        case S_IXUSR | S_ISUID:
                *p++ = 's';
                break;
        }
        /* group */
        if (mode & S_IRGRP)
                *p++ = 'r';
        else
                *p++ = '-';
        if (mode & S_IWGRP)
                *p++ = 'w';
        else
                *p++ = '-';
        switch (mode & (S_IXGRP | S_ISGID)) {
        case 0:
                *p++ = '-';
                break;
        case S_IXGRP:
                *p++ = 'x';
                break;
        case S_ISGID:
                *p++ = 'S';
                break;
        case S_IXGRP | S_ISGID:
                *p++ = 's';
                break;
        }
        /* other */
        if (mode & S_IROTH)
                *p++ = 'r';
        else
                *p++ = '-';
        if (mode & S_IWOTH)
                *p++ = 'w';
        else
                *p++ = '-';
        switch (mode & (S_IXOTH | S_ISVTX)) {
        case 0:
                *p++ = '-';
                break;
        case S_IXOTH:
                *p++ = 'x';
                break;
        case S_ISVTX:
                *p++ = 'T';
                break;
        case S_IXOTH | S_ISVTX:
                *p++ = 't';
                break;
        }
        *p++ = ' ';             /* will be a '+' if ACL's implemented */
        *p = '\0';
}
